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2021 INFINITI QX80 Oil Type & Capacity

5.6L · MPG · Factory specs and recall history

  • Drive RWD
  • Engine 5.6L
  • Fuel Gasoline

Instant answer

6.9 qt of SAE 0W-20

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Oil capacity

6.9 qt

Refill volume including a new filter

Oil viscosity

SAE 0W-20

SAE grade the manufacturer specifies

Change interval

Estimated

10,000 miles

Manufacturer maximum between changes

Fuel economy

15-16 mpg

EPA combined rating

Trims covered

These specs resolve across the model year as a whole, so they cover all 3 trims the catalog holds for it:

  • Luxe
  • Premium Select
  • Sensory

Oil type and capacity and EPA fuel economy for the 2021 INFINITI QX80, plus the recall campaigns NHTSA has filed against this year, make and model. Every figure says where it came from, so you can tell a published specification from an estimate at a glance.

Engine oil

2021 INFINITI QX80 oil type and capacity

The 2021 INFINITI QX80 takes SAE 0W-20 engine oil, about 6.9 qt with a filter change.

Oil viscosity SAE grade the manufacturer specifies
SAE 0W-20 Verified spec
Oil capacity Refill volume including a new filter
6.9 qt Verified spec
Change interval Manufacturer maximum between changes
10,000 miles Estimated
Or every Whichever comes first
12 months Estimated

Know when your QX80 is actually due

These are the numbers for the model year. Add your own QX80 and we track oil life against your real mileage, then email you the week it is due.

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EPA fuel economy

2021 INFINITI QX80 MPG

The EPA rates it at 15-16 mpg combined, 13-14 mpg city and 19-20 mpg highway. Figures span 3 configurations of this model year.

Combined

15-16 mpg

EPA combined cycle

City

13-14 mpg

EPA city cycle

Highway

19-20 mpg

EPA highway cycle

Fuel: Premium

Safety recalls

2021 INFINITI QX80 recalls

Campaigns NHTSA has filed against this year, make and model, grouped by what the campaign actually asks an owner to do.

We have not completed a recall check for this vehicle yet, so this page cannot tell you whether campaigns exist. That is not the same as there being none.

Check your own VIN on NHTSA.gov

Keep a record of what has been done

Log the work as it happens with dates, mileage, cost and photos, so a remedy you have already had carried out is something you can show rather than something you have to remember.

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  • Oil life tracked against your real mileage
  • Every fill-up, with the cost and MPG behind it
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  • Service history with photos and receipts
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One weekly email, and only when something is actually due.

Common questions

2021 INFINITI QX80 maintenance questions

What kind of oil does a 2021 INFINITI QX80 take?

The 2021 INFINITI QX80 takes SAE 0W-20 engine oil, about 6.9 qt with a filter change.

How often does a 2021 INFINITI QX80 need an oil change?

Every 10,000 miles or 12 months, whichever comes first. This figure is estimated from the engine rather than taken from a published spec, so confirm it against the owner's manual.

What gas mileage does a 2021 INFINITI QX80 get?

The EPA rates it at 15-16 mpg combined, 13-14 mpg city and 19-20 mpg highway. Figures span 3 configurations of this model year.

Where these figures come from

  • Vehicle details are decoded from VIN data published by NHTSA's vPIC database.
  • Fuel economy comes from the EPA's published fuel economy dataset.
  • Recall campaigns come from NHTSA. A campaign covers a VIN range within a model year, so a listing here is never a statement about a specific vehicle.
  • Service specs are compiled per trim. Anything marked Estimated was derived from the engine rather than read from a published specification, and your owner's manual or door placard outranks it.

Catalog entry last updated 2026-08-31.